diff options
Diffstat (limited to 'thirdparty/bullet/LinearMath/btMatrix3x3.h')
| -rw-r--r-- | thirdparty/bullet/LinearMath/btMatrix3x3.h | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/thirdparty/bullet/LinearMath/btMatrix3x3.h b/thirdparty/bullet/LinearMath/btMatrix3x3.h index cc33a68664..9c90fee1d2 100644 --- a/thirdparty/bullet/LinearMath/btMatrix3x3.h +++ b/thirdparty/bullet/LinearMath/btMatrix3x3.h @@ -26,10 +26,12 @@ subject to the following restrictions: #endif #if defined(BT_USE_SSE) +#define v0000 (_mm_set_ps(0.0f, 0.0f, 0.0f, 0.0f)) #define v1000 (_mm_set_ps(0.0f, 0.0f, 0.0f, 1.0f)) #define v0100 (_mm_set_ps(0.0f, 0.0f, 1.0f, 0.0f)) #define v0010 (_mm_set_ps(0.0f, 1.0f, 0.0f, 0.0f)) #elif defined(BT_USE_NEON) +const btSimdFloat4 ATTRIBUTE_ALIGNED16(v0000) = {0.0f, 0.0f, 0.0f, 0.0f}; const btSimdFloat4 ATTRIBUTE_ALIGNED16(v1000) = {1.0f, 0.0f, 0.0f, 0.0f}; const btSimdFloat4 ATTRIBUTE_ALIGNED16(v0100) = {0.0f, 1.0f, 0.0f, 0.0f}; const btSimdFloat4 ATTRIBUTE_ALIGNED16(v0010) = {0.0f, 0.0f, 1.0f, 0.0f}; @@ -330,6 +332,20 @@ public: btScalar(0.0), btScalar(0.0), btScalar(1.0)); #endif } + + /**@brief Set the matrix to the identity */ + void setZero() + { +#if (defined(BT_USE_SSE_IN_API) && defined(BT_USE_SSE)) || defined(BT_USE_NEON) + m_el[0] = v0000; + m_el[1] = v0000; + m_el[2] = v0000; +#else + setValue(btScalar(0.0), btScalar(0.0), btScalar(0.0), + btScalar(0.0), btScalar(0.0), btScalar(0.0), + btScalar(0.0), btScalar(0.0), btScalar(0.0)); +#endif + } static const btMatrix3x3& getIdentity() { |